/*
 * Copyright 2024-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.touhouqing.chatAiDemo.controller;

import com.touhouqing.chatAiDemo.entity.vo.MessageVo;
import com.touhouqing.chatAiDemo.repository.ChatHistoryRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.ai.chat.client.ChatClient;
import org.springframework.ai.chat.memory.ChatMemory;
import org.springframework.ai.chat.messages.Message;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RequiredArgsConstructor
@RestController
@RequestMapping("/ai/history")
public class ChatHistoryController {

    private final ChatHistoryRepository chatHistoryRepository;

    private final ChatMemory chatMemory;

    @RequestMapping("/{type}")
    public List<String> getChatIds(@PathVariable("type") String type) {
        return chatHistoryRepository.getChatIds(type);
    }

    @RequestMapping("/{type}/{chatId}")
    public List<MessageVo> getChatHistory(@PathVariable("type") String type, @PathVariable("chatId") String chatId) {
        List<Message> messages = chatMemory.get(chatId);
        if(messages == null){
            return List.of();
        }
        return messages.stream().map(MessageVo::new).toList();
    }
}
